A box of unknown mass is sliding with an initial speed vi = 4.90 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring. The coefficient of kinetic friction between the floor and the box is 0.625. How far does the box slide before stopping?

Q: Mary and her sister are playing with a cardboard box on the neighborhood hill. Mary climbs into the…

A: Consider the free-body diagram fo the box-child system as follows.

Q: d) What is the smallest speed v for which the person will not slide down the wall? Solve this…

A:

Q: Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming…

A:

Q: Problem 70. A group of three skiers stand atop a hill inclined at a steady angle of 8°. One skier…

A: Given, θ=80μK1=0μK2=0.04μK3=0.1H=200 m

Q: The figure shows a container of mass m₁ = 1.9 kg connected to a block of mass m₂ by a cord looped…

A:

Q: int at rest. Determine the tension developed in the cable. The coefficient of kinetic friction…

A:

Q: A skateboarder is attempting to make a circular arc of radius r = 19 m in a parking lot. The total…

A: Draw the free-body diagram of the skateboard. The diagram consists of the radial force only since…

Q: The figure shows a container of mass m1 = 4.9 kg connected to a block of mass m2 by a cord looped…

A:

Q: Here we have successfully built up a problem that uses one topic from each of the four quarters of…

A:

Q: Traveling at a speed of 12.2 m/s, the driver of an automobile suddenly locks the wheels by slamming…

A: An automobile puts on brakes and it is asked to find the speed of the automobile after 1.41 s.

Q: A 90.0-kg crate is being lowered off the roof of a building. Its rate of descent is slowed by a…

A:

Q: Traveling at a speed of 14.2 m/s, the driver of an automobile suddenly locks the wheels by slamming…

A: Given that: u=14.2 m/sv=?μ=0.59t=1.14 secg=9.8 m/s2

Q: A child is playing on a hill with a cardboard box. The combined mass of child and box is ? = 120 kg.…

A: Combined mass of child and the box is m = 120 kg Coefficient of static friction is μs=0.4…

Q: A truck is traveling at 11.1m / s down a hill when the brakes on all four wheels lock. The hill…

A: Initial speed = V0  = 11.1 m/sFinal speed = V = 0 m/sAngle = 15 degrees

Q: The figure shows a container of mass m, = 1.7 kg connected to a block of mass m2 by a cord looped…

A: Here,  A figure is given with a container of mass m1 = 1.7 kg and a block of mass m2 . It is given…

Q: Someone is dancing on a revolving dance floor. The floor completes 3 revolutions every 5 minutes and…

A:

Q: The figure shows a container of mass m₁ = 4.1 kg connected to a block of mass m₂ by a cord looped…

A: Mass m1 = 4.1 Kg Acceleration a= 1.1 m/s2 Part (a) For mass m1, the dragging force is balanced by…

Q: In an old-fashioned amusement park ride, passengers stand inside a 4.50 m diameter hollow steel…

A:

Q: A coin is placed 34 cm from the center of a horizontal turntable, initially at rest. The turntable…

A: The coin wouldn't slip unless the centrifugal force experienced by it becomes equal to the…

Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 15.0 m/s. If the coefficient…

A: initial velocity, u = 15 m/s  friction coefficient, μk =  0.2  time, t = 5 s

Q: A 1290 kg car is pushing an out-of-gear 2200 kg truck that has a dead battery. When the driver steps…

A:

Q: The designer of a ski resort wishes to have a portion of a beginner’s slope on which the skiers…

A:

Q: The figure shows a container of mass m₁ = 4.8 kg connected to a block of mass m₂ by a cord looped…

A:

Q: A really old 1500kg car without ABS brakes is traveling on a flat, horizontal road ay 75mph when the…

A: Given m=1500 Kg (mass of car) u=75 mph (initial velocity) Since 1mph=0.447 m/s u=75×0.447=33.525 m/s…

Q: Two carts on a low friction air-track are connected by an unstretched spring. Cart 1 has an inertia…

A:

Q: A 81 kg skydiver can be modeled as a rectangular "box" with dimensions 24 cm × 47 cm × 170 cm. If he…

A: Given that,Mass  : m = 81 (kg)A rectangular box with dimension : 24×47×170 cmThe density : ρ = 1.2…

Q: Black Panther (mass 80.0 kg) is trying to save Spiderman (mass 70.0 kg) and Supergirl (mass 60.0 kg)…

A:

Q: After seeing a giant rock rolls into the highway, the driver slan emergency escape ramp. The angle…

A: Given:- The  angle of the ramp in which it inclined θ= 15° The velocity of the truck at the starting…

Q: The figure shows a container of mass m1 = 1.1 kg connected to a block of mass m2 by a cord looped…

A:

Q: A hockey puck having initial speed of 2.5 m/s comes to rest after a distance of 8.0 m. What is the…

A:

Q: A child is playing on a hill with a cardboard box. The combined mass of child and box is ? = 120 kg.…

A: Given values: Combined mass ,m=120 kg Angle of inclination,θ=30° Coefficient of static…

Q: You are out on a hike and come across an unfortunate scene: a fellow hiker has fallen off a ledge.…

A:

Q: ou go trick-or-treating with your friends and end up with more candy than you know what to do with.…

A: The magnitude of normal force acting on the bag  is, FN=mg-Fsinθ=8.7 kg9.8 m/s2-62 Nsin57°=33.3 N…

Q: A block of mass M1 = 2.00 kg rests on an incline that is angled at 30° above the horizontal. An…

A:

Q: A plastic disc is flicked up a sloping board. It has an initial speed of 1.6 ms¹, but gradually…

A:

Q: A block having a weight of G is placed on the rough surface of the triangular prism ABC. The…

A:

Q: A 10.2-kg box is sliding across a horizontal floor. It has an initial speed of 1.25m / s and the…

A: Given    A 10.2-kg box is sliding across a horizontal floor. It has an initial speed of 1.25m / s…

Q: A rope is attached to an object with mass 8.5-kg that rests on a frictionless, horizontal surface.…

A:

Q: A rope is attached to an object with mass 4.1-kg that rests on a frictionless, horizontal surface.…

A:

Q: Question 9. Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels…

A: The initial speed is The coefficient of the kinetic friction is The time is t = 1.21 sLet the speed…

Q: Two children are pulled on a sled over snow-covered ground. The sled is pulled by a rope that makes…

A: Given:Combined mass of children, mc = 45 kgmass of the sled, ms = 5.0  kgtotal mass the the…

Q: A hockey puck (mass = 4 kg) leaves the players stick with a speed of 12 m/s and slides on the ice…

A: Deceleration  a = 0.3 × 9.8 =   2.94 m/s².

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: